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OTTO T3 Miniature Toggle Switches

These miniature toggles are rugged, highly reliable switches offering positive detent action for safe switching operation. Featuring the unique OTTO snap-action switch mechanism in conjunction with a unique toggle actuator design, the T3 series offers snap-action contact actuation. 

High contact pressure and superior wiping action of the OTTO design makes the T3 series an excellent choice for switching loads from logic level up to 5 amps. 

15/32" sealed bushing construction, momentary and/or maintained operation. 

Mounting hardware provided includes two hex nuts, one lockwasher and one keyway washer. 

Note: MOM designates Momentary On.


  • Snap-action contact actuation.
  • Shorter behind panel depth.
  • Superior wiping action keeps contacts clean.
  • Positive tactile response prevents operating errors.
  • Weighs up to 25% less than competitive products.
  • More contact/terminal plating choices.
  • Highly reliable: simpler design, fewer parts.
  • Black matte finish available. (contact factory)
  • RoHS/WEEE/Reach compliant.

Stocking, processing
and delivering aerospace parts

Hello and welcome to our website. Contained within these pages is most of the information found in our printed catalogue, all available to order online! In addition you can search our entire inventory of over 125,000 part numbers.

Stock and pricing of all parts listed on this site is live, all prices exclude VAT and shipping. All orders are subject to our standard terms and conditions.

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Quality products
and easy ordering

All our stock is available for next day delivery. In addition we have distributorships for Aircraft Tool Supply, LP Aero Plastics, Falcon Gauge, Ceconite / Randolph and Shield Technology to name but a few!

We are also the UK and European distributor for Aircraft Spruce and Speciality, with whom we have been doing business with for over 25 years.

Should you ever need any further information then our experienced sales team are just a phone call or email away and will happily answer any questions you may have.